Gothenburg 2026 - Agenda
WIP
this needs to be converted to proper markdown and link to the proper actual pages
Day 1 - Tuesday, 22 September 2026
8.30 Morning beverages available
9.00 Opening Circle
The 2025 Reproducible Builds Summit will be called to order with a fast-paced kickoff that includes words of welcome from the organizers, brief participant introductions, along with overviews of the agenda, participation guidelines and meeting logistics.
9.45 Project Updates I
- Mapping who is in the room ** NOTES: https://pad.riseup.net/p/rbsummmit2025-d1-mappingprojects-keep
Arch Linux - LINK(s) F-Droid - Client 2.0 is ready, repo is 35% RB, academia verified 19k packages (83% built, 94% of them repro) open SUSE - LINK(s) https://lists.opensuse.org/archives/list/factory@lists.opensuse.org/thread/C7BCS4OC2XPR5ZNOEXCJGP6NXL2W5BNT/ OSS Rebuild - LINK(s) https://oss-rebuild.dev/ rebuilderd - LINK(s) https://github.com/kpcyrd/rebuilderd Debian - https://reproduce.debian.net/ gates packages in the next Debian release (blocking regressions and new not reproducible packages)
10.45 Break
Please note that all break times are approximate :)
11.15 Project Updates II
Build tools/registries OCI/ORAS - LINK(s) Transparency logs - LINK(s) https://www.sigsum.org/ Debian - LINK(s) https://reproduce.debian.net/ repro-threshold - LINK(s) https://github.com/kpcyrd/repro-threshold Archiving + integrity/transpareancy of non-software stuff - https://archive.rip DETTRACE - LINK(s) https://github.com/bmwiedemann/dettrace https://build.opensuse.org/package/show/devel:tools/dettrace
We’ll continue the program with short question-driven updates from a range of participants on a range of projects from across the Reproducible Builds ecosystem.
12.30 Lunch
Participants are encouraged to sit with those who they have not yet met or engaged.
13.30 Collaborative Working Sessions
- AT Protocl ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-atproto
- Bad and malicious builds ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-badbuilds
- Reproducible image builds ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-imagebuilds
- Chasing the long tail of reproducibility ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-longtail
15.15 Closing Circle
The closing session will invite participants to weigh in on what has been most useful during the course of Day 1, and refine their goals and priorities for the agenda of Day 2.
16.00 Adjourn to Hack Time
19.00 Dinner -
Day 2 - Wednesday 23 September 2026
8.30 Morning beverages available
9.00 Opening Circle
The day will start with a summary of Day 1 outcomes and a Day 2 Agenda Overview.
9.15 Collaborative Working Sessions
*Source Date Epoch ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-sourcedateepoch
- RB Enforcement ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-rb-enforcement
- Social Engagement of Developers ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-social
- Buildinfo Infrastructure ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-buildinfoinfrastructure
10.45 Break
Please note that all break times are approximate :)
11.00 Peer skill and knowledge share
Participants will be invited and encouraged to request or share any skill they consider relevant to the meeting scope. The session will be structured so as to minimize group size and maximize 1-on-1 sharing opportunities.
12.30 Lunch
Participants are encouraged to sit with those who they have not yet met or engaged.
13.30 Collaborative Working Sessions
- High-priority non-reproducible packages (“last 1%”) ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-nonreproducible
- RB & Security ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-rb-security
- Transparency logging ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-transparency-logging
- Android file formats for reproducibility ** ❌NOTES: https://pad.riseup.net/p/rbsummmit2026-android
- Cross-distro reproducibility ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-cross-distro
15.15 Closing Circle
The closing session will invite participants to weigh in on what has been most useful during the course of Day 2, and refine their goals and priorities for the agenda of Day 3.
16.00 Adjourn to Hack Time
19.00 Dinner
Day 3 - Thursday 24 September 2026
8.30 Morning beverages available
9.00 Opening Circle
The day will start with a summary of Day 2 outcomes and a Day 3 Agenda Overview.
9.15 Collaborative Working Sessions
- Source Date Epoch Round III ** ✅NOTES:https://pad.riseup.net/p/rbsummmit2026-sourcedateepoch
- AI and RB ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-rb-ai
- rebuilder ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-rebuilderd
- Enforcement II ** ✅NOTES:https://pad.riseup.net/p/rbsummmit2026-rb-enforcement-ii
10.45 Break
Please note that all break times are approximate :)
11.00 Collaborative Working Sessions
12.30 Lunch
Participants are encouraged to sit with those who they have not yet met or engaged.
13.30 Mapping next conversations and next steps
The group will pause before the final session to take stock of the progress made to this point in the week and to inventory action items, next steps and other bridges to post-event collaboration.
- Trusting Trust ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-trusting-trust
- Source Date Epoch Round III ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-sourcedateepoch
- Files ** ✅NOTES: https://pad.riseup.net/p/rbsummmit2026-files
- Package groupings ** ❌NOTES: https://pad.riseup.net/p/rbsummmit2026-package-groupings
15.00 Closing Circle
Participants will summarize key outcomes from the event, and discuss next steps for continuing collaboration after the meeting.
16.00 Adjourn to Hack Time
19.00 Dinner
